the suspect, paul ciancia is hospitalized and in critical condition. he's been unresponsive because of his current medical condition, but investigators say they're still learning more about why he allegedly killed a tsa agent and wounded two others. miguel almaguer is live outside l.a.x. with the details on this. miguel, good morning. >> reporter: thomas, good morning. according to a federal criminal complaint, we do know more about the alleged shooter's motive. fbi investigators say that he left behind a one-page letter, what they call -- also has been called a manifesto in which he said he was specifically targeting tsa agents. it didn't matter whether they were black, white, brown or yellow. apparently that was written inside this manifesto. he seemed to target these individuals because they worked for the federal government and he had some problems with the federal government. we don't know specifically what was in that note. that is still part of the investigation. as for the suspect himself, as you mentioned, he was shot multiple times, at least